Title: Unit 3 Quiz
Course: ELT 260 Introduction to Hydropower > Section: ELT 260 Introduction to Hydropower

Q: Please select the correct answer for each question.

The amount of water on the earth is
- Always the same
- Constantly changing
- Steadily decreasing
- Steadily increasing
A: Always the same

Q: Please select the correct answer for each question.

Which of the following is the largest reservoir within the hydrologic cycle?
- Groundwater
- Ice sheets
- The atmosphere
- The oceans
A: The oceans

Q: Please select the correct answer for each question.

The amount of precipitation that soaks into the soil depends on
- How long the rain lasts
- Whether or not there are plants around
- Whether the soil is wet or dry
- All of the above
A: All of the above

Q: Please select the correct answer for each question.

How does global warming affect the hydrologic cycle?
- It causes random variations in the cycle.
- It causes the cycle to accelerate.
- It causes the cycle to decelerate.
- It doesn’t affect the cycle at all.
A: It causes the cycle to accelerate.

Q: Please select the correct answer for each question.

Where is most of the earth’s fresh water stored today?
- In groundwater
- In polar ice sheets
- In rivers and lakes
- In the oceans
A: In groundwater

Q: Please select the correct answer for each question.

The process by which water is taken up by plants and released in to the atmosphere is called
- condensation
- evaporation
- precipitation
- transpiration
A: transpiration

Q: Please select the correct answer for each question.

Where does the energy to drive the hydrologic cycle come from?
- photosynthesis
- plate tectonics
- the interior of the earth
- the sun
A: the sun

Q: Please select the correct answer for each question.

What is the correct sequence of processes as water moves from the ocean to land in the hydrologic cycle?
- Evaporation, condensation, precipitation, runoff
- Evaporation, precipitation, runoff, condensation
- Runoff, precipitation, evaporation, condensation.
- Precipitation, evaporation, condensation, runoff
A: Evaporation, condensation, precipitation, runoff

Q: Please select the correct answer for each question.

What happens to most of the water that falls as rain?
- It stays in the soil.
- It runs off the land into rivers.
- It returns to the atmosphere by evapotranspiration.
- It sinks into the groundwater zone.
A: It returns to the atmosphere by evapotranspiration.

Q: Please select the correct answer for each question.

Which one of the following makes up about 2 % of the worlds’ water supply?
- Groundwater
- Oceans
- Rivers
- Glaciers
A: Glaciers

Q: Please select the correct answer for each question.

Which one of the following situations favors surface runoff rather than infiltration into the soil?
- Gentle slopes
- Thick vegetation
- Heavy precipitation (rain)
- Porous, sandy soils
A: Heavy precipitation (rain)

Q: Please select the correct answer for each question.

Which two processes in the hydrologic cycle absorb heat and release water vapor to the atmosphere?
- Precipitation and runoff
- Evaporation and Transpiration
- Infiltration and discharge
- Percolation and Infiltration
A: Evaporation and Transpiration

Q: Please select the correct answer for each question.

What is the chief source of energy for the hydrologic cycle?
- Gravity
- Radioactivity
- Water
- The sun
A: The sun

Q: Please select the correct answer for each question.

The earth is sometimes called the blue planet because
- It is a blue, glowing ball.
- It is usually colored blue in a solar model.
- Seventy percent of the earth’s surface is made up of oceans.
- None of the above.
A: Seventy percent of the earth’s surface is made up of oceans.

Q: Please select true or false for each statement.

Global warming does not affect the hydrologic cycle.
- True
- False
A: False

Q: Please select true or false for each statement.

Globally, precipitation far exceeds evaporation.
- True
- False
A: False

Q: Please select true or false for each statement.

The three different forms of water are: water, ice, & vapor (liquid, solid, gas).
- True
- False
A: True

Q: Please select true or false for each statement.

Gravity helps keep water moving through the hydrologic cycle.
- True
- False
A: True

Q: Please select true or false for each statement.

Solar energy is the driving force behind the water cycle.
- True
- False
A: True

Q: Please select true or false for each statement.

The atmosphere is the part of the earth mainly composed of water.
- True
- False
A: False

Q: Please select true or false for each statement.

Condensation is the process in which a liquid is changed into a vapor.
- True
- False
A: True

Q: Please select true or false for each statement.

Rocks that allow water to pass through them are called permeable.
- True
- False
A: True

Q: Please select true or false for each statement.

Groundwater movement depends upon rock porosity and permeability.
- True
- False
A: True

Q: Please select true or false for each statement.

The hydrologic cycle is an example of a closed system.
- True
- False
A: True